Previously Undetected Software Bug Potential Cause for Soyuz/Fregat Failure

The failure of a Soyuz 2-1B/Fregat-M rocket launching the Meteor-M 2-1 weather satellite and 18 international secondary payloads was traced back to a software bug on the rocket’s Fregat upper stage brought on by the unique parameters for Soyuz launches out of the Far Eastern Vostochny Cosmodrome.

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Soyuz/Fregat Suffer First Russian Launch Failure of 2017 with Meteor Weather Satellite & MicroSats

Russia suffered its first launch failure of 2017 on Tuesday on the second Soyuz mission carried out from the new Vostochny Cosmodrome in the country’s far east, claiming the loss of the Meteor-M 2-1 weather satellite and an international assortment of small satellites.

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